PROCEDURE AND DEVICE FOR THE MANUFACTURE OF FILTER BARS FOR BAR ARTICLES IN THE TOBACCO INDUSTRY OF TOBACCO.

摘要

THE INVENTION REFERS TO A PREPARATION SYSTEM FOR MAKING FILTER FILAMENTS FOR THE MANUFACTURE OF FILTERS FOR CIGARETTES WITH A STRETCHING DEVICE (8, 12), AN APPLICATION DEVICE (4) FOR A PULVERIZED PRODUCT AND A REPAIR DEVICE (16 , 22). THE OBJECTIVE IS TO PROMOTE AND OPTIMIZE THE PREPARATION PROCESS IN THE RESPECTIVE TRANSPORT SECTION (3 OR 6 OR 7) OF THE BAND OF MAKING FILTER FILAMENTS (1). THIS IS ACHIEVED BY AN AIR CURRENT (24, 32, 39) PRODUCED IN A WIND TUNNEL (23, 31, 38) PARALLEL AND IN THE TRANSPORT DIRECTION (ARROW 2) OF THE BAND OF MAKING FILTER FILMS. THROUGH A LAMINARY AIR CURRENT OF THIS CLASS, THE AIR WINDS ARE AVOIDED AND THE RESPECTIVE STRETCHING, DISTENSION OR REMOVAL OF THE BAND OF MAKING FILTER FILMS IS DEFINED.